Experiment: 3FKD

The crystal structure of L-threonine-O-3-phosphate decarboxylase from Porphyromonas gingivalis

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	7.5		0.1 M Sodium citrate tribacic dihydrate pH 5.6, 20% v/v 2-Propanol, 20% PEG 4000, VAPOR DIFFUSION, SITTING DROP

Crystal Properties
Matthews coefficient	Solvent content
2.57	52.14

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 87.443	α = 90
b = 101.513	β = 90.22
c = 93.714	γ = 90

Symmetry
Space Group	P 1 21 1

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	110	CCD	ADSC QUANTUM 315	mirror	2008-10-01	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	NSLS BEAMLINE X29A	0.9792	NSLS	X29A

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (Observed)	R Sym I (Observed)	Net I Over Average Sigma (I)	Redundancy	Number Reflections (All)	Number Reflections (Observed)	Observed Criterion Sigma (F)	Observed Criterion Sigma (I)	B (Isotropic) From Wilson Plot
1	2.5	50	100	0.104	0.104	12.4	3.5	56150	56150

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
	2.5	2.6	99		0.313	0.313	3.9	3.5	7466

Refinement

Statistics
Diffraction ID	Structure Solution Method	Resolution (High)	Resolution (Low)	Cut-off Sigma (F)	Number Reflections (All)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (All)	R-Factor (Observed)	R-Work (Depositor)	R-Work (DCC)	R-Free (Depositor)	R-Free (DCC)	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	SAD	2.5	46.857	0.04	56150	56150	2847	98.86	0.2492	0.2266	0.224	0.2225	0.2745	0.2727	RANDOM	29.2

Temperature Factor Modeling
Anisotropic B[1][1]	Anisotropic B[1][2]	Anisotropic B[1][3]	Anisotropic B[2][2]	Anisotropic B[2][3]	Anisotropic B[3][3]
-12.8192	17.7907	-4.9715		-1.661

RMS Deviations
Key	Refinement Restraint Deviation
f_bond_d	0.028
f_angle_deg	0.014

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	10312
Nucleic Acid Atoms
Solvent Atoms	298
Heterogen Atoms

Software

Software
Software Name	Purpose
CBASS	data collection
SHELX	model building
SHARP	phasing
PHENIX	refinement
HKL-2000	data reduction
HKL-2000	data scaling
SHELX	phasing